diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 0b24db0..28ac784 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -2191,6 +2191,7 @@
                         updateCapabilities(oldScore, nai, nai.networkCapabilities);
                         // If score has changed, rebroadcast to NetworkFactories. b/17726566
                         if (oldScore != nai.getCurrentScore()) sendUpdatedScoreToFactories(nai);
+                        if (valid) handleFreshlyValidatedNetwork(nai);
                     }
                     updateInetCondition(nai);
                     // Let the NetworkAgent know the state of its network
@@ -2285,6 +2286,16 @@
                 mDefaultRequest.networkCapabilities, nai.networkCapabilities);
     }
 
+    private void handleFreshlyValidatedNetwork(NetworkAgentInfo nai) {
+        if (nai == null) return;
+        // If the Private DNS mode is opportunistic, reprogram the DNS servers
+        // in order to restart a validation pass from within netd.
+        final PrivateDnsConfig cfg = mDnsManager.getPrivateDnsConfig();
+        if (cfg.useTls && TextUtils.isEmpty(cfg.hostname)) {
+            updateDnses(nai.linkProperties, null, nai.network.netId);
+        }
+    }
+
     private void handlePrivateDnsSettingsChanged() {
         final PrivateDnsConfig cfg = mDnsManager.getPrivateDnsConfig();